The 800-28691 Cisco Fan Tray Assembly is an original equipment replacement designed to restore proper cooling performance in Cisco networking hardware that utilizes a modular fan tray. Engineered to meet Cisco’s quality standards, this assembly integrates a fan and supporting tray into a single unit, ensuring reliable airflow and thermal management for the host device. The part number 800-28691 identifies it as a direct, OEM‑compatible component, facilitating straightforward installation without the need for additional adapters or modifications. Ideal for maintenance or upgrade cycles, this fan tray assembly helps maintain system stability and prolongs the operational lifespan of Cisco equipment.